Need helping figuring out sex of Blue Bar

[Kingtray]

I purchased a Blue bar from a reptile expo 4 months ago, the breeder sold him to me as a possible male at 6 weeks old. Now he's 5 months but Im not 100% sure he's a male. Here are some pics.

 

[xcrystalx]

hi there.
you have a very beautiful female

 

[Kingtray]

Thanks now I gotta find a nice male.